Peterbilt 337 2017 - Air Conditioner

HEATERANDAIRCONDITIONER
AirConditioner
WARNING!
Theairconditioningsystemisunder
pressure.Ifnothandledproperly
duringservicing,itcouldexplode.
Anyservicingthatrequiresdepres-
surizingandrechargingtheaircon-
ditioningsystemmustbeconducted
byaqualiedtechnicianwiththe
rightfacilitiestodothejob.Failure
tocomplymayresultindeath,per-
sonalinjury,equipmentorproperty
damage.
•Listentothecompressoranddrive
clutchfornoiseandvibration.
Ifyoundproblems,havethe
systemcheckedthoroughly.A
malfunctioningclutchusually
indicatestroubleelsewhereinthe
system.
•Checktheevaporatorcore,lter,
andcondensercorefordebris
restrictingairow.Cleanif
necessary.Smallparticlesmay
beremovedwithcompressed
airblownthroughthecoreinthe
oppositedirectionofnormalair
ow.
WARNING!
Weareyeprotectionanytimeyou
blowcompressedair.Smallparti-
clesblownbycompressedaircould
injureyoureyes.
•Checktheenginebeltforcondition
andpropertension.
•Checkallhosesforkinks,
deterioration,chang,andleaks.
Adjustkinkedorchanghosesto
eliminaterestrictionsandprevent
furtherwear.
•Checkallcomponentsand
connectionsforrefrigerantleaks.
Ifyoudiscoveraleak,donottryto
tightenaconnection.Tightening
aconnectionmaycausealeak
toworsen.Haveaqualied
techniciancorrecttheproblem.
NOTE
Aleakingevaporatororcondenser
corecannotberepaired;itmustbe
replaced.
Havetheairconditioningsystemfully
servicedannuallybyyourauthorized
dealer.Qualiedservicetechnicians
willhavetoevacuateandrechargethe
system.
(03/17)Y53-6060-1C15-121
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